An Alternating Method for Analysis of a Group of Interacting Multiple Elliptical Cracks in an Infinite Solid : Solid-Mechanics, Strength of Materials

抄録

An efficient alternating method is developed for the analysis of a group of interacting multiple elliptical cracks in an infinite solid. In this alternating method, and analytical solution for an elliptical crack in an infinite solid is used. To save computational time, geometrical symmetries of crack shapes and locations are effectively utilized in conjunction with the symmetry of the analytical solution with respect to the Cartesian coordinate system. Parametric studies on the interaction behavior of multiple coplanar elliptical cracks are made for several examples of problems. The stress intensity factors for those problems are determined efficiently and accurate by the present alternating method.